92 citations · 620 across the 21 of their papers we have counts for
6 papers · 1 filter
Realizing distance-selective interactions in a Rydberg-dressed atom array
Simon Hollerith, Kritsana Srakaew, David Wei +10
Measurement-based quantum computing relies on the rapid creation of large-scale entanglement in a register of stable qubits. Atomic arrays are well suited to store quantum informat…
Superglass formation in an atomic BEC with competing long-range interactions
Stefan Ostermann, Valentin Walther, Susanne F. Yelin
The complex dynamical phases of quantum systems are dictated by atomic interactions that usually evoke an emergent periodic order. Here, we study a quantum many-body system with tw…
Self-bound droplet clusters in laser-driven Bose-Einstein condensates
Yong-Chang Zhang, Valentin Walther, Thomas Pohl
We investigate a two-dimensional Bose-Einstein condensate that is optically driven via a retro-reflecting mirror, forming a single optical feedback loop. This induces a peculiar ty…
Electromagnetically induced transparency with CuO excitons in the presence of phonon coupling
Valentin Walther, Peter Grünwald, Thomas Pohl
Highly excited Rydberg states of excitons in CuO semiconductors provide a promising approach to explore and control strong particle interactions in a solid-state environment. A…
Interactions between Rydberg excitons in CuO
Valentin Walther, Sjard Ole Krüger, Stefan Scheel +1
Highly-excited states of excitons in cuprous oxide have recently been observed at a record quantum number of up to . Here, we evaluate the long-range interactions between pai…
Giant optical nonlinearities from Rydberg-excitons in semiconductor microcavities
Valentin Walther, Robert Johne, Thomas Pohl
The realization of exciton-polaritons -- hybrid excitations of semiconductor quantum well excitons and cavity photons -- has been of great technological and scientific significance…